WO2009089675A1 - Element collecteur-echangeur de chaleur, plaque de captage solaire et capteur solaire - Google Patents

Element collecteur-echangeur de chaleur, plaque de captage solaire et capteur solaire Download PDF

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Publication number
WO2009089675A1
WO2009089675A1 PCT/CN2008/001879 CN2008001879W WO2009089675A1 WO 2009089675 A1 WO2009089675 A1 WO 2009089675A1 CN 2008001879 W CN2008001879 W CN 2008001879W WO 2009089675 A1 WO2009089675 A1 WO 2009089675A1
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WO
WIPO (PCT)
Prior art keywords
plate
heat
pair
heat collecting
heat exchange
Prior art date
Application number
PCT/CN2008/001879
Other languages
English (en)
Chinese (zh)
Inventor
Qun Hua
Original Assignee
Qun Hua
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qun Hua filed Critical Qun Hua
Publication of WO2009089675A1 publication Critical patent/WO2009089675A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
    • F24S10/502—Solar heat collectors using working fluids the working fluids being conveyed between plates having conduits formed by paired plates and internal partition means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems

Definitions

  • the invention relates to a heat collecting and heat exchange member, a solar energy collecting plate and a solar collector. . Background technique
  • solar water heaters that are heated by solar collectors are increasingly used.
  • the heat collecting members are important components that determine their quality.
  • the heat collecting member mainly comprises a heat collecting plate 1, a heat collecting copper tube, a heat exchange hot water rising pipe 3, a water tank 4, a water temperature water level controller 5, and a heat exchange cold water falling pipe 6.
  • the disadvantages of the existing heat collecting members are: a) not antifreeze, since the copper plate is used in the heat collecting plate, if it is used in an area where the temperature is lower than 0 degrees, the water freezing causes the copper tube to swell. Cracking; b) low heat collecting efficiency, there is a certain gap between the copper tubes. These gaps make the distance between the copper tube and the solar heat-absorbing fins to increase the heat transfer to the copper tube, resulting in lowering of the heat collecting efficiency and the copper tube. Scale, the length of time will increase the thermal resistance to affect the heat collection efficiency; c) the production cost is higher.
  • such a solar collector which comprises a male outer layer made of a transparent heat insulating material and a female outer layer made of a heat insulating material.
  • a heat collecting member of the package the heat collecting member being composed of a heat conductive material and a material sandwiched between the materials having a certain tensile strength.
  • the heat collecting member of the solar collector of the above utility model is deformed into a round tubular shape after the high-pressure medium is injected into the intermediately wrapped hose, thereby relatively increasing the heat capacity of the heat collector and reducing the ratio thereof. Surface area, which makes it less efficient, and also affects the collector's view
  • the metal materials are basically used. This is because the metal materials have fast heat conduction and are easy to manufacture, but ordinary metal materials tend to react easily with the heat exchange medium, causing corrosion and exchange of materials. In the case of internal scaling of the heat exchanger, it must be made of special stainless steel or precious metals such as gold or silver, which increases the material cost, and does not completely solve the scaling problem. It needs to be cleaned and descaled regularly, and when water As a heat exchange medium, especially in the heat exchangers of chemical production, seawater desalination, sewage treatment and groundwater heat exchange, the problems of hot water fouling plugging pipelines and ice water icing expansion and cracking pipelines are also straight. Can't be solved very well.
  • an aspect of the present invention provides a heat collecting heat exchange member, wherein the heat collecting heat exchange member includes a pair of plate members disposed oppositely and a fixed sealing structure in which a pair of plate-like members are fixedly sealed, wherein at least one of the pair of plate-like members is formed with a recess, and at least one of the pair of plate-like members is composed of a heat conductive material, when the pair of plate-like members pass through
  • the recess constitutes a closed space, and the sealed space is provided with at least one inlet and at least one outlet.
  • a heat collecting and heat exchange member according to an embodiment of the present invention, wherein the fixed sealing structure is fixed by at least one of elastic clamping, clamping, riveting, splicing, stitching, bonding, and crimping. This pair of plate members.
  • a heat collecting and heat exchange member according to another embodiment of the present invention, wherein the fixed sealing structure employs a film material attached to an opposite inner surface of the pair of plate members, and the sealing is completely wrapped by the film material Space to seal the pair of plate members.
  • a heat collecting and heat exchange member according to still another embodiment of the present invention, wherein the heat conductive material is a metal material.
  • a heat collecting and heat exchange member according to still another embodiment of the present invention, wherein at least the other of the pair of plate members is composed of a hard plate material having a bending strength.
  • a heat collecting and heat exchange member according to still another embodiment of the present invention, wherein the inner layer of the hard plate material is superposed with a layer of elastic material.
  • a heat collecting and heat exchange member according to still another embodiment of the present invention, wherein the elastic material is plastic or rubber.
  • Another aspect of the present invention is to provide a solar energy collecting plate, wherein the solar heat collecting plate comprises the heat collecting and heat exchange member of the present invention, and a pair of plates in the heat collecting and heat exchange member The outer surface of the component's thermally conductive material is coated with a solar selective absorbing coating. .
  • Still another aspect of the present invention provides a solar heat collector in which the solar heat collector of the present invention is mounted.
  • the heat collecting and heat exchange member of the invention can be used not only for heat collecting but also for heat exchange, and has the advantages of antifreeze, heat collecting and heat transfer efficiency, difficulty in scaling, corrosion resistance, simple process and low cost. . Moreover, the solar heat collecting plate and the solar heat collector according to the present invention not only improve the heat collecting efficiency but also reduce the production cost.
  • Figure 1 is a schematic view of a conventional solar collector
  • Figure 2 is a cross-sectional view of a heat collecting heat exchange member according to the present invention.
  • Figure 3 is a plan view of a heat collecting heat exchange member according to the present invention.
  • Fig. 4 is a schematic view of a solar heat collector having a solar heat collecting plate according to the present invention.
  • the heat collecting heat exchange member of the present invention includes a pair of plate-like members disposed oppositely and a fixed sealing structure for fixedly sealing the pair of plate-like members, wherein at least one of the pair of plate-like members is formed with a concave portion while the pair At least one of the plate-like members is constructed of a thermally conductive material that forms a closed space when the pair of plate-like members are brought together by the fixed sealing structure, the confined space being provided with at least one inlet and at least one outlet.
  • the pair of plate members is composed of a heat conductive material and the other is composed of a hard plate material having a certain bending strength.
  • the plate-shaped member composed of a heat conductive material is mainly used as a heat collecting heat exchange surface of the heat collecting heat exchange member.
  • the heat conductive material is preferably a metal thin plate, and The metal sheet is pre-warmed or pressed to form a flat concave portion; when used for a solar heat collecting plate, a solar selective absorbing coating is applied on the outer surface of the plate member to maximize absorption of solar energy. .
  • the plate-like members Since at least one of the plate-like members is composed of a hard plate material having a bending strength, it has sufficient bending strength to withstand the pressure of the heat exchange medium entering and leaving the sealed space. Strong, thereby preventing the pair of plate-like members from being over-expanded due to the injection of the high-pressure medium, so that the sealed space becomes thick, for example, from a flat shape to a distinct elliptical shape. Thereby, the volume of the sealed space is minimized, the specific surface area of the heat exchange medium therein is effectively increased, and the heat collecting heat transfer efficiency is improved.
  • a film material is also attached to the opposite inner surfaces of the pair of plate-like members, wherein the pair of plate-like members are elastically clamped, clamped, riveted, welded, stitched, bonded, crimped After at least one of the heat exchange media having a certain pressure is pressed into the recess between the two plates, since the recess is completely wrapped by the film material, the recess constitutes an inlet and outlet. hermetic space.
  • the pair of plate members are fixed by elastic clamping, and the effect is as follows:
  • the plate member there is also room for expansion and contraction, and when the water as the heat exchange medium is expanded by ice, the heat collecting heat transfer structure can be effectively prevented from being cracked.
  • an elastic material is further added between the pair of plate-like members, for example, an elastic material such as a plastic plate or a rubber plate is further laminated on the inner layer of the hard plate material, the heat collecting heat transfer can also be performed.
  • the confined space between the components can have elastic expansion and contraction.
  • the confined space is wrapped by a film material.
  • the film material is at least one of a film bag, a thin-walled hose, and an inner wall coating of a plate-like member.
  • the film material is made of a flexible material such as plastic or rubber. Since the film material is less prone to scale and corrosion, it encloses a confined space, and the heat exchange medium flows in the confined space, so its range of motion The direction and direction are effectively restrained, completely preventing the heat exchange medium from corroding the metal material constituting the plate member.
  • the above-mentioned wrapping of the sealed space by the film material can be achieved by: 1.
  • FIGS. 2 and 3 are a cross-sectional view and a plan view, respectively, of a heat collecting and heat exchange member according to the present invention.
  • the heat collecting heat exchange member of the present invention comprises a pair of plate-like members 7 and 9 disposed opposite each other, wherein the plate-like member 7 is made of a thin metal plate with flat grooves
  • the plate member 9 is made of a hard plate having bending strength.
  • the flat groove is located between the pair of plate members when the pair of plate members are disposed opposite to each other.
  • the pair of plate-like members 7 and 9 are connected by elastic clamping, and the manner of elastic clamping includes a spring washer 10, a clamping nut 11 and a multi-leg clamping link 12, by way of
  • the pair of plate-like members 7 and 9 are fixed together, and it is ensured that the spacing between the plate-like members 7 and 9 can have a range of elastic movement, preventing thermal expansion and contraction of the heat exchange medium from damaging the heat-collecting heat-exchange member.
  • a film material is attached to the opposite inner surfaces of the plate members 7 and 9, the film material completely encasing the flat grooves, thereby forming an inlet and an outlet between the pair of plate members Confined space.
  • the enclosed space is a film hose 8 with an inlet and an outlet.
  • a plurality of film hoses 8 disposed between the plate-like members 7 and 9 of the heat-collecting heat-exchange member are connected, and an inlet of the film hose is connected to the inlet pipe 13 of the heat exchange medium.
  • the outlet of the film hose is connected to the discharge pipe 14 of the heat exchange medium, so that the heat exchange medium can flow only in the film hose 8, the inlet pipe 13 of the heat exchange medium, and the discharge pipe 14 of the heat exchange medium, ensuring the entire set.
  • the heat exchange member is less susceptible to fouling and corrosion resistance.
  • the inlet tube 13 and the discharge tube 14 are formed of a material that is less susceptible to scale and corrosion, such as plastic.
  • the solar heat collecting plate of the present invention is formed by coating a surface of a heat conductive material of a pair of plate-like members of the heat collecting and heat exchange member with a solar selective absorbing coating.
  • Fig. 4 is a schematic view of a solar heat collector mounted with a solar heat collecting plate according to the present invention.
  • the solar thermal collector of the present invention is configured as follows: a solar selective absorbing coating is applied to the outer surface of the heat conductive material of the pair of plate-shaped members of the heat collecting and heat exchange member in advance, thereby Forming a solar heat collecting plate, then connecting the inlet pipe 13 in the heat collecting heat exchange member of the solar heat collecting plate with the water inlet 17, connecting the discharge pipe 14 with the water outlet 18, and then installing the solar heat collecting plate into the bottom as a whole And the aluminum alloy frame 16 which is filled with the heat insulating material around, and then the transparent glass 15 is covered on the aluminum alloy frame 16, thus constituting the solar heat collector of the present invention.
  • the object of the present invention is to solve the above problems.
  • a pair of plate-like members are stacked to form a closed space to replace the existing rigid tube heat collecting member, which can be used not only for heat collecting but also for heat exchange, and has antifreeze and heat collecting.
  • the utility model has the advantages of high thermal efficiency, no scaling, corrosion resistance, simple process and low cost. Further, the solar heat collecting plate and the solar heat collector according to the present invention not only improve the heat collecting efficiency but also reduce the production cost. The product of the present invention has been produced, so the present invention is applied to actual industrial production.

Abstract

L'invention concerne un élément collecteur-échangeur de chaleur comprenant une paire de composants sous forme de plaque (7, 9) se faisant face, ainsi qu'une structure de fixation hermétique (10, 11, 12) destinée à fixer ensemble hermétiquement les deux composants plaques (7, 9), au moins un des composants plaques (7, 9) comportant des rainures et au moins un des composants plaques (7, 9) étant fabriqué dans un matériau de transfert de chaleur. Comme les deux composants plaques (7, 9) sont reliés ensemble par la structure de fixation hermétique (10, 11, 12), les rainures peuvent former des espaces hermétiques comportant au moins un orifice d'entrée et au moins un orifice de sortie. L'invention concerne également une plaque de captage solaire pourvue dudit élément collecteur-échangeur, ainsi qu'un capteur solaire pourvu de ladite plaque.
PCT/CN2008/001879 2008-01-18 2008-11-14 Element collecteur-echangeur de chaleur, plaque de captage solaire et capteur solaire WO2009089675A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200810032798.2 2008-01-18
CN2008100327982A CN101487633B (zh) 2008-01-18 2008-01-18 集热换热构件、太阳能集热板和太阳能集热器

Publications (1)

Publication Number Publication Date
WO2009089675A1 true WO2009089675A1 (fr) 2009-07-23

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Application Number Title Priority Date Filing Date
PCT/CN2008/001879 WO2009089675A1 (fr) 2008-01-18 2008-11-14 Element collecteur-echangeur de chaleur, plaque de captage solaire et capteur solaire

Country Status (2)

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CN (1) CN101487633B (fr)
WO (1) WO2009089675A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110518879B (zh) * 2019-08-16 2021-09-07 西安交通大学 一种平板光伏光热层压一体化组件及制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2787868A1 (fr) * 1998-12-29 2000-06-30 Pierre Jean Nocera Capteur solaire pour chauffe-eau
CN2392134Y (zh) * 1999-10-09 2000-08-16 杨黎明 太阳能不锈钢集热板芯
CN2648352Y (zh) * 2003-07-21 2004-10-13 贾亚南 高效率平板型太阳能集热器
JP2005024173A (ja) * 2003-07-02 2005-01-27 Mitsubishi Heavy Ind Ltd ソーラパネル
CN2754021Y (zh) * 2004-10-26 2006-01-25 华群 太阳能集热器
CN201163109Y (zh) * 2008-01-18 2008-12-10 华群 集热换热构件、太阳能集热板和太阳能集热器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2252968Y (zh) * 1996-03-07 1997-04-23 梁银师 平板组合式太阳能温水器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2787868A1 (fr) * 1998-12-29 2000-06-30 Pierre Jean Nocera Capteur solaire pour chauffe-eau
CN2392134Y (zh) * 1999-10-09 2000-08-16 杨黎明 太阳能不锈钢集热板芯
JP2005024173A (ja) * 2003-07-02 2005-01-27 Mitsubishi Heavy Ind Ltd ソーラパネル
CN2648352Y (zh) * 2003-07-21 2004-10-13 贾亚南 高效率平板型太阳能集热器
CN2754021Y (zh) * 2004-10-26 2006-01-25 华群 太阳能集热器
CN201163109Y (zh) * 2008-01-18 2008-12-10 华群 集热换热构件、太阳能集热板和太阳能集热器

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CN101487633B (zh) 2010-06-23
CN101487633A (zh) 2009-07-22

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